Download National Geological Data Base Management, Integration and

National
Geofund and Geology
(NGG)
National Geofund

Geological data collected in the last 50 years

More than 7000 reports covering all aspects of
geological activities

In charge of disclosure of unpublished
information to another organizations under
established rules.
National Geofund
Two ways to find reports of interest
• In “GeoArchive” DB
• Using graphical interface for the areas in
which geological works have been done
National Geofund
Geological Map of Bulgaria
Scale 1: 500 000
• Published in 1989
• 2 flat coloured sheets covered all territory of Bulgaria
• Bulgarian-English edition
• Digital model available (MapInfo)
The map is compiled on the base of the Geological map of Bulgaria scale
1:100 000 and available data of the National Geofund
Digital Map
Digital Map

Fragment of 1:500000 map in real scale
Geological Map of Bulgaria
Scale 1:100 000
• Published Map Series
•86 coloured flat sheets, covered all the country
•Bulgarian or English edition
•Available in digital form (MapInfo)
Digital Maps
Digital Map, example
Geological Map of Bulgaria
Scale 1:25 000
• Unpublished map series
• Standard indexed map sheets, covered mineral potential areas
• Reports are available
• Some of map sheets are available in digital form (MapInfo)
• The results from new field geological mapping program are
produced directly in digital form and printed
• Only Bulgarian edition available.
Digital Maps
Digital Maps, example.
Geological Data Sets

Geological Maps, Scale - 1:500 000,1:100 000,1:25 000

GIS format - different layers of information:
– Geological boundaries
– Stratigraphy
– Lithology
– Tectonics
– Rivers
– Infrastructure - towns, roads, railway
Geomorphologic Map of Bulgaria
Scale 1:100 000
• Unpublished map series
• Map sheets correspond to geological map in scale 1:100 000.
Geochemical Map of Bulgaria
Scale 1:100 000
• Unpublished series, presents point-source geochemical data
• The point data have been gridded to create colour classified digital maps.
Gravity Map of Bulgaria
Scale 1:100 000
• Unpublished map series
• Bouguer anomaly contours and location of observations
Digital Maps
Magnetic Map of Bulgaria
Scale 1:100 000
• Unpublished map series
• Ground magnetic anomaly contours and location of digitised data points.
Map of Mineral Deposits of Bulgaria, Scale 1:100 000
Unpublished map series, consists of point objects that represent location of
mineral deposits, occurrence and indication.
Geoarchive
Data set in Bulgarian language about all the reports available in National
Geofund with the key words for searching
Oil and Gas Wells
Data set for all oil and gas wells drilled on the territory of Bulgaria, onshore
and offshore
Seismic Lines in Bulgaria
Data set consists of information from seismic surveys, onshore and offshore.
Example of interpretation using information from seismic survey,
wells and well logs.
Aeromagnetic and Gamma Ray Spectrometer Data
• Regional aero data
• Location of digitised data points along flight lines and calculated
values of magnetic
field and U,Th, K
Exploration Drillholes and Mining Workings
Data set consists of information from drillholes and mining workings of
mineral exploration programs.
National Balance of Reserves and Resources
The data set consists of reserves and resources of all metallic, industrial
minerals, oil and gas, coal deposits in Bulgaria.
Tectonic Map of Bulgaria
Scale 1:500 000
Published map
2 sheets
Bulgarian-English Edition, 1976.
Digital Map
Magnetic Map of Bulgaria, 1:500000.
Contour map of Za(nT), produced from grid 5x5km
Geological Data Sets
Metallogenic Map of Bulgaria, 1:1000000.
Published 1coloured map sheet, English edition, 1989
Map of Delimited Areas of Gold Deposits in Bulgaria.
Computer map, produced from digitised series of maps of
scale ranging from 1:1000 to 1:25000.
Map of Uranium Mineralization in Bulgaria.
Computer Map with uranium deposits, occurrences and
radioactive anomalies, digitised from maps of scale
1:200000.
Geological Data Sets
Physical properties of the Rocks.
Data set containing information for rock samplescoordinates, type of rock, geologic end tectonic position
and major physical properties. Currently updated.
Pan sampling data.
Data set contains information about position of pan samples
and quality and quantity of minerals. Currently updated.
Contents of gold grains in pan samples
Geological Data Sets
Geological Study Areas in Bulgaria
Computer maps of the areas in which geological works have been done.
Register and Cadastre of Prospecting and/or Exploration Permits
Register and Cadastre of permits for prospecting and/or exploration of
underground resources issued by the state authorities according
UNDERGROUND RESOURCES ACT.
Specialised Cadastre of Deposits and Register of Discoveries
Data set contains maps of mineral deposits and information about the
discoveries of underground resources made as a result of geological
research.
Geological Data Sets
Map of the Geological Hazards in Bulgaria, 1:500000.
Published Map accompanying with explanatory text in booklet, 1
folded colour sheet, Bulgarian-English edition, 1994
Groundwater Monitoring Design for Bulgaria, 1:1000000
Computer map for Groundwater Monitoring Design on the base of
Geological Map 1:500000.
Map of Underground Waters, 1:500000.
Unpublished map, paper copy.
Map of Mineral Waters in Bulgaria, 1:500000.
Unpublished map, paper copy.
Geological Data Sets
Hydrogeological Map of Bulgaria, 1:200000.
Published Atlas containing 28 coloured map sheets and 16
hydrogeological sections.
Map of Resources of Underground Waters in Bulgaria,
1:200000.
Published Atlas containing 28 coloured map sheets.
Map of River System in Bulgaria, 1:25000.
Digital map sheets produced from topographic maps.
Protected Caves in Bulgaria.
Data set contains information about 113 protected caves with maps
of caves and protected areas.